40780908

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17981}}^1$

素因数の和:18004

約数の個数: 60

約数和(自身を含む): 121846032

約数和(自身を除く): 81065124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 17981, 35962, 53943, 71924, 107886, 125867, 161829, 215772, 251734, 323658, 377601, 485487, 503468, 647316, 755202, 970974, 1132803, 1456461, 1510404, 1941948, 2265606, 2912922, 3398409, 4531212, 5825844, 6796818, 10195227, 13593636, 20390454, 40780908]

約数ペア:

[(1, 40780908), (2, 20390454), (3, 13593636), (4, 10195227), (6, 6796818), (7, 5825844), (9, 4531212), (12, 3398409), (14, 2912922), (18, 2265606), (21, 1941948), (27, 1510404), (28, 1456461), (36, 1132803), (42, 970974), (54, 755202), (63, 647316), (81, 503468), (84, 485487), (108, 377601), (126, 323658), (162, 251734), (189, 215772), (252, 161829), (324, 125867), (378, 107886), (567, 71924), (756, 53943), (1134, 35962), (2268, 17981)]